If you want to dynamically load jQuery on your button click (it would help if you explained "why" you want to do that), then you can use a function like this to load it:
function loadScript(sScriptSrc, oCallback) {
var oHead = document.getElementsByTagName('head')[0];
var oScript = document.createElement('script');
oScript.type = 'text/javascript';
oScript.src = sScriptSrc;
// most browsers
oScript.onload = oCallback;
// IE 6 & 7
oScript.onreadystatechange = function() {
if (this.readyState == 'complete') {
oCallback();
}
}
oHead.appendChild(oScript);
}
Note that your other jQuery code can't be run until AFTER jQuery is loaded. Your code could look like this:
<a href="#image_link" title="PutLockerMedia" id="click">watch</a>
<div style="display:none">
<div id="image_link">
<div class="imageWrapper">
<div class="image">
<iframe src="http://www.putlocker.com/embed/E25FA20CE8643E5F" width="600" height="360" frameborder="0" scrolling="no"></iframe>
</div>
</div>
</div>
</div>
<script type="text/javascript">
function loadScript(sScriptSrc, oCallback) {
var oHead = document.getElementsByTagName('head')[0];
var oScript = document.createElement('script');
oScript.type = 'text/javascript';
oScript.src = sScriptSrc;
// most browsers
oScript.onload = oCallback;
// IE 6 & 7
oScript.onreadystatechange = function() {
if (this.readyState == 'complete') {
oCallback();
}
}
oHead.appendChild(oScript);
}
function jQueryLoaded() {
$("#click").fancybox({'scrolling': 'no','titleShow': false,'onClosed':
function(){$("#login_error").hide();}});
});
}
document.getElementById("myButton").addEventListener("click", function() {
// load jQuery and when it's loaded, call jQueryLoaded
loadScript("jquery.js", jQueryLoaded);
}, false);
</script>
Other reference answers:
How to know if JQuery has finished loading
Javascript multiple Dynamic Insertion